Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 2:37:51 AM (PDT) on Saturday, August 16, 2025.
The magnitude 1.2 event occurred 19 km (12 miles) SSE of Ridgemark, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Saturday, August 16, 2025 at 2:37:51 AM (PDT)
Saturday, August 16, 2025 at 9:37:51 (UTC)
Distance from Ridgemark, CA - 19 km (12 miles) SSE (164 degrees)
Gonzales, CA - 20 km (13 miles) NE (37 degrees)
Chualar, CA - 21 km (13 miles) ENE (65 degrees)
Hollister, CA - 23 km (14 miles) SSE (160 degrees)
Soledad, CA - 25 km (16 miles) N (4 degrees)
Coordinates 36 deg. 39.0 min. N (36.651N), 121 deg. 18.4 min. W (121.307W)
Depth 2.91 km (1.80 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=4.5 km, Rmss=0.18 sec, Erho=0.71 km, Erzz=1.63999999 km, Gp=93 degrees
Event ID# nc75224497
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For more information, see https://earthquake.usgs.gov

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